That sounds like a horizontal nipple....the best IMO...
....there are also vertical nipples that go in the bottom of a container, which leak more and you can't set container down(PITA).
Here's my waterer....I just take out heater in summer.
https://www.backyardchickens.com/a/aarts-heated-waterer-with-horizontal-nipples
More info on water nipples
https://www.backyardchickens.com/ne...&order=descending&Search=SEARCH&Search=SEARCH
Feeder https://www.backyardchickens.com/a/aarts-almost-waste-free-funnel-bucket-feeder
....there are also vertical nipples that go in the bottom of a container, which leak more and you can't set container down(PITA).
Here's my waterer....I just take out heater in summer.
https://www.backyardchickens.com/a/aarts-heated-waterer-with-horizontal-nipples
More info on water nipples
https://www.backyardchickens.com/ne...&order=descending&Search=SEARCH&Search=SEARCH
Feeder https://www.backyardchickens.com/a/aarts-almost-waste-free-funnel-bucket-feeder